EUBUY Soft Silicone Bubble Women And Men Large Stretch Star Pattern Long Hair Swimming Cap Waterproof Ear Wrap Hat Silicone material, soft, water proof and non toxic Size: Approx. 24.5 x 19.5cm (Max L* Max W) Above 5 years old children and adults are available (under 10 years old may be a little loose) Can keep warm when swimming in winter Color:as picture show